Cheapest one-way flights from Los Angeles to San Juan in December from 145€

AirHint found the following cheapest one-way flights from Los Angeles (LAX) to San Juan (SJU) in December 2025 (see full year).

One-Way flights

03 Dec Frontier Airlines
10 Dec United
16 Dec Frontier Airlines
04 Dec Spirit Airlines
15 Dec Southwest Airlines
30 Dec United
23 Dec Frontier Airlines
21 Dec Frontier Airlines
22 Dec Frontier Airlines
20 Dec Frontier Airlines

Also check the deals for return flights from Los Angeles to San Juan in December.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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